Update class name

There seem to be some old class names left over. They cause runtime errors like this:

```none
java.util.ServiceConfigurationError: org.openrdf.rio.RDFParserFactory: Provider de.dfki.km.json.jsonld.impl.SesameJSONLDParserFactory not found
	at java.util.ServiceLoader.fail(ServiceLoader.java:231)
	at java.util.ServiceLoader.access$300(ServiceLoader.java:181)
	at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:365)
	at java.util.ServiceLoader$1.next(ServiceLoader.java:445)
	at info.aduna.lang.service.ServiceRegistry.<init>(ServiceRegistry.java:52)
	at info.aduna.lang.service.FileFormatServiceRegistry.<init>(FileFormatServiceRegistry.java:31)
	at org.openrdf.rio.RDFParserRegistry.<init>(RDFParserRegistry.java:44)
...
```